6L6F

GluK3 receptor complex with UBP301

ELECTRON MICROSCOPY

Refinement

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	15.774
f_angle_d	1.211
f_chiral_restr	0.063
f_plane_restr	0.01
f_bond_d	0.006

Sample
GluK3 complex with agonist Kainate

Specimen Preparation
Sample Aggregation State	PARTICLE
Vitrification Instrument
Cryogen Name	ETHANE
Sample Vitrification Details	Multiple application, blotted for 3 seconds

3D Reconstruction
Reconstruction Method	SINGLE PARTICLE
Number of Particles	27997
Reported Resolution (Å)	10.6
Resolution Method	FSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry Type	POINT
Point Symmetry	C1

Map-Model Fitting and Refinement
Id	1 (6JFY)
Refinement Space
Refinement Protocol	RIGID BODY FIT
Refinement Target
Overall B Value
Fitting Procedure
Details

Data Acquisition
Detector Type	FEI FALCON III (4k x 4k)
Electron Dose (electrons/Å**2)	16.73

Imaging Experiment	1
Date of Experiment
Temperature (Kelvin)
Microscope Model	FEI TECNAI ARCTICA
Minimum Defocus (nm)
Maximum Defocus (nm)
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS
Imaging Mode	BRIGHT FIELD
Specimen Holder Model
Nominal Magnification
Calibrated Magnification
Source	FIELD EMISSION GUN
Acceleration Voltage (kV)	200
Imaging Details

EM Software
Task	Software Package	Version
IMAGE ACQUISITION	cryoSPARC	v1
IMAGE ACQUISITION	RELION	2.1
IMAGE ACQUISITION	Gctf	v1.06
IMAGE ACQUISITION	UCSF Chimera	1.14
IMAGE ACQUISITION	PHENIX	1.16-3549
CTF CORRECTION	Gctf	v1.06
RECONSTRUCTION	cryoSPARC	v1

Image Processing
CTF Correction Type	CTF Correction Details	Number of Particles Selected	Particle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION		46106

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.